Windows

Internet Explorer

• Select the gear in the upper-right corner, then select Internet Options.
  
• Click the Privacy tab.
  
• Select the Advanced button.
  
• Under Third-party Cookies, choose Block to automatically block cookies or Prompt to prompt with each cookie request.
  
• Click OK.
  

Chrome

• Select the Chrome menu icon.
  
• Click Settings.
  
• Select Show Advanced Settings.
  
• In the "Privacy" section, select Content settings.
  
• Check Block third-party cookies and site data.
  
• Select Finished.
  

Firefox

• Click the menu button and choose Options/Preferences.
  
• Select the Privacy panel.
  
• Set Firefox will: to Use custom settings for history.
  
• Set Accept third party cookies: to Never.
  
• Close the about:preferences page.
  

Edge

• Click the More actions? button in the top-right corner. Select Settings.
  
• Click View Advanced Settings.
  
• Click the dropdown arrow under the Cookies field.
  
• Select Block Only Third Party Cookies.
  

Mac OS X

Chrome

• Select the Chrome menu icon.
  
• Select Settings.
  
• Select Show Advanced Settings.
  
• In the "Privacy" section, select ?Content settings.
  
• Check Block third-party cookies and site data.
  
• Select Finished.
  

Safari

• Choose Safari > Preferences
  
• Click Privacy
  
• Set Block cookies to From third parties and advertisers. 
  

Firefox

• Click the menu button and choose Options/Preferences.
  
• Select the Privacy panel.
  
• Set Firefox will: to Use custom settings for history.
  
• Set Accept third party cookies: to Never.
  
• Close the about:preferences page. 
  

iOS

Safari

• Tap Settings.
  
• Select Safari.
  
• Select Block Cookies.
  
• Choose Allow from Current Websites Only from the list. In iOS 7 or earlier, choose From third parties and advertisers.
  

Android

Chrome

• Tap Menu > Settings > Site settings.
  
• Tap Cookies.
  
• Uncheck Allow third-party cookies.